Verb
To entreat for; to seek by earnest prayer; to ask for earnestly and humbly; as, to supplicate blessings on Christian efforts to spread the gospel.
To address in prayer; to entreat as a supplicant; as, to supplicate the Deity.
To make petition with earnestness and submission; to implore.
Source: Webster's dictionaryPraise is the best auxiliary to prayer; and he who most bears in mind what has been done for him by God will be most emboldened to supplicate fresh gifts from above. Henry Melvill
He supplicated the King for clemency Source: Internet
supplicate God's blessing Source: Internet
supplicate for permission Source: Internet